Bitcoin is a decentralized digital currency that operates without the necessary after a central expert or broker, like a bank. Introduced in 2009 by an unrevealed idiosyncratic or group subservient to the nom de guerre Satoshi Nakamoto, Bitcoin is powered at hand blockchain technology, a public ledger that records all transactions securely and transparently. It is known as a remedy for its limited accommodate of 21 million coins and its consume as a store of value and median of exchange. Bitcoin has grace a sought-after investment selection and a badge of the evolving digital economy.